US Bridges

Hana HWY over Mokulehua Strm

FairPosted for load

Maui County, Hawaii · 3.06MI W/Hana Airport RD · Structure no. 009003600502835

Built
1908
117 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
1,800
2017 count
Owner
State
State Highway Agency

About this bridge

Hana HWY over Mokulehua Strm is a concrete continuous slab carrying Hana HWY over Mokulehua Strm in Maui County, Hawaii. It was built in 1908, so it is 117 years old, older than the Hawaii average of 63.8 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 1,800 vehicles a day, roughly 1% of them trucks, projected to reach 1,754 by 2025. The structure is 48 ft (14.7 m) long and 15 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

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CarriesHana HWY
CrossesMokulehua Strm
Location3.06MI W/Hana Airport RD
RouteU.S. Route 360
CountyMaui County
StateHawaii
Coordinates20.79631, -156.05681
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating15 US tons
Inventory rating11.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length48 ft (14.7 m)
Longest span15 ft (4.5 m)
Deck width15 ft (4.6 m)
Roadway width14 ft (4.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,800 (2017)
Projected traffic1,754 by 2025
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$875,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hana HWY over Mokulehua Strm built?

It was built in 1908, making it 117 years old in 2025.

What condition is Hana HWY over Mokulehua Strm in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does Hana HWY over Mokulehua Strm carry?

About 1,800 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Hana HWY over Mokulehua Strm?

The structure is 48 ft (14.7 m) long with a longest span of 15 ft (4.5 m) and a deck 15 ft wide.

Who owns Hana HWY over Mokulehua Strm?

It is owned by the State Highway Agency.